====================================== | [ 9.318656][ T200] softirqs last disabled at (30666): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.318659][ T200] Preemption disabled at: | [ 9.318659][ T200] 0x0 | [ 9.318669][ T200] Tainted: [W]=WARN [ 9.318670][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.318671][ T200] Call Trace: [ 9.318673][ T200] [ 9.318674][ T200] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.318680][ T200] __might_resched.cold (kernel/sched/core.c:9234) [ 9.318685][ T200] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.318689][ T200] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.318694][ T200] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.318696][ T200] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.318702][ T200] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.318705][ T200] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.318709][ T200] put_chars (drivers/char/virtio_console.c:1176) [ 9.318711][ T200] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.318712][ T200] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.318716][ T200] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.318721][ T200] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.318728][ T200] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.318731][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.318733][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.318737][ T200] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.318741][ T200] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.318742][ T200] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.318746][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.318747][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.318751][ T200] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.318755][ T200] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.318757][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.318762][ T200] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.318765][ T200] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.318767][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.318769][ T200] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 9.318772][ T200] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.318774][ T200] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.318777][ T200] vprintk_emit (kernel/printk/printk.c:2479) [ 9.318780][ T200] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.318782][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.318786][ T200] _printk (kernel/printk/printk.c:2504) [ 9.318790][ T200] ? snapshot_read.cold (user.c:?) [ 9.318792][ T200] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.318795][ T200] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.318799][ T200] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.318801][ T200] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.318805][ T200] ? exit_notify (kernel/exit.c:780) [ 9.318806][ T200] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.318809][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.318812][ T200] do_group_exit (kernel/exit.c:1151) [ 9.318815][ T200] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.318817][ T200] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.318819][ T200] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.318823][ T200] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.318826][ T200] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.318828][ T200] RIP: 0033:0x7f6a0db501b8 [ 9.318830][ T200] Code: Unable to access opcode bytes at 0x7f6a0db5018e. Code starting with the faulting instruction =========================================== [ 9.318831][ T200] RSP: 002b:00007ffdd8d78188 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.318833][ T200] RAX: ffffffffffffffda RBX: 00007f6a0dc80f88 RCX: 00007f6a0db501b8 [ 9.318835][ T200] RDX: 00007f6a0d89afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.318836][ T200] RBP: 00007ffdd8d781e0 R08: 0000000000000000 R09: 0000000000000050 [ 9.318836][ T200] R10: 00007ffdd8d77fa0 R11: 0000000000000246 R12: 0000000000000001 [ 9.318837][ T200] R13: 0000000000000000 R14: 00007f6a0dc7f680 R15: 00007f6a0dc80fa0 | [ 26.432224][ T614] softirqs last disabled at (22172): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 26.432227][ T614] Preemption disabled at: | [ 26.432227][ T614] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.432236][ T614] Tainted: [W]=WARN [ 26.432237][ T614] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.432238][ T614] Call Trace: [ 26.432240][ T614] [ 26.432241][ T614] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.432247][ T614] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.432249][ T614] __might_resched.cold (kernel/sched/core.c:9234) [ 26.432253][ T614] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.432257][ T614] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.432262][ T614] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 26.432264][ T614] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.432270][ T614] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 26.432273][ T614] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.432277][ T614] put_chars (drivers/char/virtio_console.c:1176) [ 26.432279][ T614] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.432282][ T614] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 26.432287][ T614] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.432295][ T614] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.432297][ T614] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.432300][ T614] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.432304][ T614] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.432308][ T614] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.432310][ T614] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 26.432313][ T614] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.432314][ T614] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.432318][ T614] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.432323][ T614] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.432330][ T614] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.432336][ T614] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.432339][ T614] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.432341][ T614] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.432342][ T614] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 26.432346][ T614] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.432348][ T614] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.432351][ T614] vprintk_emit (kernel/printk/printk.c:2479) [ 26.432353][ T614] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.432355][ T614] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.432357][ T614] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 26.432361][ T614] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 26.432365][ T614] _printk (kernel/printk/printk.c:2504) [ 26.432368][ T614] ? snapshot_read.cold (user.c:?) [ 26.432371][ T614] ? br_multicast_flood (??:?) [ 26.432374][ T614] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 26.432376][ T614] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.432377][ T614] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.432381][ T614] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 26.432385][ T614] br_init_port (net/bridge/br_stp_if.c:39) [ 26.432387][ T614] new_nbp (net/bridge/br_if.c:449) [ 26.432393][ T614] br_add_if (net/bridge/br_if.c:592) [ 26.432396][ T614] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 26.432399][ T614] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 26.432404][ T614] do_set_master (net/core/rtnetlink.c:3071) [ 26.432408][ T614] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 26.432411][ T614] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 26.432414][ T614] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 26.432416][ T614] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 26.432418][ T614] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 26.432422][ T614] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.432424][ T614] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.432426][ T614] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.432428][ T614] ? kasan_save_stack (mm/kasan/common.c:58) [ 26.432430][ T614] ? kasan_save_stack (mm/kasan/common.c:57) [ 26.432432][ T614] ? kasan_save_track (mm/kasan/common.c:78) [ 26.432433][ T614] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 26.432435][ T614] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.432437][ T614] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 26.432440][ T614] ? ___sys_sendmsg (net/socket.c:2758) [ 26.432444][ T614] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.432446][ T614] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.432448][ T614] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.432450][ T614] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.432451][ T614] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.432453][ T614] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.432454][ T614] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 26.432456][ T614] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 26.432458][ T614] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 26.432459][ T614] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.432463][ T614] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 26.432464][ T614] ? nla_get_range_signed (lib/nlattr.c:270) [ 26.432469][ T614] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.432471][ T614] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 26.432476][ T614] rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.432481][ T614] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.432483][ T614] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.432488][ T614] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.432489][ T614] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.432491][ T614] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.432493][ T614] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.432497][ T614] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.432499][ T614] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.432502][ T614] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.432503][ T614] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.432508][ T614] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.432510][ T614] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.432513][ T614] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 26.432516][ T614] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.432519][ T614] ? netlink_ack (./include/linux/skbuff.h:2718) [ 26.432525][ T614] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 26.432527][ T614] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 26.432531][ T614] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 26.432535][ T614] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 26.432538][ T614] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.432542][ T614] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 26.432546][ T614] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 26.432549][ T614] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.432551][ T614] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 26.432556][ T614] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 26.432559][ T614] ____sys_sendmsg (net/socket.c:2713) [ 26.432561][ T614] ? copy_msghdr_from_user (net/socket.c:2650) [ 26.432563][ T614] ? sock_write_iter (net/socket.c:1269) [ 26.432565][ T614] ? move_addr_to_kernel (net/socket.c:258) [ 26.432572][ T614] ___sys_sendmsg (net/socket.c:2767) [ 26.432575][ T614] ? copy_msghdr_from_user (net/socket.c:2619) [ 26.432590][ T614] __sys_sendmsg (net/socket.c:2799) [ 26.432593][ T614] ? __sys_sendmsg_sock (net/socket.c:2780) [ 26.432599][ T614] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.432602][ T614] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.432605][ T614] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.432608][ T614] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.432610][ T614] RIP: 0033:0x7fbc1499954e [ 26.432614][ T614] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 26.432616][ T614] RSP: 002b:00007ffd2dc13340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.432619][ T614] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbc1499954e [ 26.432620][ T614] RDX: 0000000000000000 RSI: 00007ffd2dc133f0 RDI: 0000000000000005 [ 26.432621][ T614] RBP: 00007ffd2dc13350 R08: 0000000000000000 R09: 0000000000000000 [ 26.432622][ T614] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911a9c [ 26.432622][ T614] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2dc13ac0 | [ 29.003098][ T634] softirqs last disabled at (1363214): fpu__clear_user_states (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/core.c:835 (discriminator 2)) | [ 29.003100][ T634] Preemption disabled at: | [ 29.003101][ T634] 0x0 | [ 29.003111][ T634] Tainted: [W]=WARN [ 29.003112][ T634] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.003114][ T634] Call Trace: [ 29.003115][ T634] [ 29.003117][ T634] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.003123][ T634] __might_resched.cold (kernel/sched/core.c:9234) [ 29.003128][ T634] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.003132][ T634] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.003136][ T634] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 29.003138][ T634] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.003145][ T634] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 29.003148][ T634] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.003151][ T634] put_chars (drivers/char/virtio_console.c:1176) [ 29.003153][ T634] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 29.003155][ T634] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.003158][ T634] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.003161][ T634] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.003164][ T634] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.003168][ T634] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.003172][ T634] ? mark_usage (kernel/locking/lockdep.c:4690) [ 29.003174][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.003176][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.003179][ T634] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.003182][ T634] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 29.003185][ T634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.003187][ T634] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.003191][ T634] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.003195][ T634] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.003196][ T634] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 29.003199][ T634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.003201][ T634] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.003205][ T634] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.003209][ T634] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.003211][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.003216][ T634] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.003219][ T634] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.003221][ T634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.003222][ T634] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 29.003226][ T634] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.003228][ T634] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.003230][ T634] vprintk_emit (kernel/printk/printk.c:2479) [ 29.003233][ T634] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.003234][ T634] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 29.003237][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.003241][ T634] _printk (kernel/printk/printk.c:2504) [ 29.003245][ T634] ? snapshot_read.cold (user.c:?) [ 29.003247][ T634] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 29.003250][ T634] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.003253][ T634] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 29.003256][ T634] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 29.003260][ T634] ? exit_notify (kernel/exit.c:780) [ 29.003262][ T634] ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79) [ 29.003266][ T634] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 29.003268][ T634] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 29.003270][ T634] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.003274][ T634] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 29.003277][ T634] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 29.003279][ T634] RIP: 0033:0x7f8663c63c49 [ 29.003281][ T634] Code: Unable to access opcode bytes at 0x7f8663c63c1f. Code starting with the faulting instruction =========================================== [ 29.003283][ T634] RSP: 002b:00007f8663422e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 29.003285][ T634] RAX: ffffffffffffffda RBX: 00007f86634236c0 RCX: 00007f8663c63c49 [ 29.003287][ T634] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 29.003288][ T634] RBP: 00007f8663422f70 R08: 0000000000000001 R09: 00007f86634236c0 [ 29.003288][ T634] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f8662c23000 [ 29.003289][ T634] R13: 00007ffcaf6f29f0 R14: 0000000000000002 R15: 00007ffcaf6f2af7 | [ 46.108607][ T1061] softirqs last disabled at (22074): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 46.108610][ T1061] Preemption disabled at: | [ 46.108610][ T1061] vprintk_emit (kernel/printk/printk.c:2471) | [ 46.108619][ T1061] Tainted: [W]=WARN [ 46.108619][ T1061] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.108621][ T1061] Call Trace: [ 46.108622][ T1061] [ 46.108624][ T1061] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.108629][ T1061] ? vprintk_emit (kernel/printk/printk.c:2471) [ 46.108631][ T1061] __might_resched.cold (kernel/sched/core.c:9234) [ 46.108635][ T1061] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.108639][ T1061] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 46.108644][ T1061] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 46.108645][ T1061] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.108652][ T1061] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 46.108655][ T1061] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.108659][ T1061] put_chars (drivers/char/virtio_console.c:1176) [ 46.108661][ T1061] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.108662][ T1061] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.108666][ T1061] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.108671][ T1061] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.108679][ T1061] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.108681][ T1061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.108683][ T1061] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.108687][ T1061] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.108691][ T1061] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.108693][ T1061] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 46.108696][ T1061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.108698][ T1061] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.108702][ T1061] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.108706][ T1061] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.108708][ T1061] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.108713][ T1061] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.108716][ T1061] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.108717][ T1061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.108719][ T1061] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 46.108723][ T1061] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.108724][ T1061] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.108727][ T1061] vprintk_emit (kernel/printk/printk.c:2479) [ 46.108730][ T1061] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.108732][ T1061] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.108735][ T1061] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 46.108738][ T1061] _printk (kernel/printk/printk.c:2504) [ 46.108742][ T1061] ? snapshot_read.cold (user.c:?) [ 46.108745][ T1061] ? br_multicast_flood (??:?) [ 46.108749][ T1061] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 46.108750][ T1061] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 46.108751][ T1061] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 46.108755][ T1061] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 46.108760][ T1061] br_init_port (net/bridge/br_stp_if.c:39) [ 46.108762][ T1061] new_nbp (net/bridge/br_if.c:449) [ 46.108766][ T1061] br_add_if (net/bridge/br_if.c:592) [ 46.108768][ T1061] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 46.108772][ T1061] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 46.108777][ T1061] do_set_master (net/core/rtnetlink.c:3071) [ 46.108780][ T1061] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 46.108784][ T1061] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 46.108787][ T1061] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 46.108788][ T1061] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 46.108791][ T1061] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 46.108794][ T1061] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.108796][ T1061] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.108798][ T1061] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.108800][ T1061] ? kasan_save_stack (mm/kasan/common.c:58) [ 46.108802][ T1061] ? kasan_save_stack (mm/kasan/common.c:57) [ 46.108804][ T1061] ? kasan_save_track (mm/kasan/common.c:78) [ 46.108805][ T1061] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 46.108807][ T1061] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.108809][ T1061] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 46.108812][ T1061] ? ___sys_sendmsg (net/socket.c:2758) [ 46.108816][ T1061] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.108817][ T1061] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 46.108820][ T1061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.108822][ T1061] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.108823][ T1061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.108824][ T1061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.108826][ T1061] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 46.108828][ T1061] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 46.108831][ T1061] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 46.108832][ T1061] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 46.108836][ T1061] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 46.108837][ T1061] ? nla_get_range_signed (lib/nlattr.c:270) [ 46.108842][ T1061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.108844][ T1061] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 46.108849][ T1061] rtnl_newlink (net/core/rtnetlink.c:4215) [ 46.108854][ T1061] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.108856][ T1061] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.108861][ T1061] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.108862][ T1061] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.108864][ T1061] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.108866][ T1061] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.108870][ T1061] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.108872][ T1061] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 46.108875][ T1061] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.108876][ T1061] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.108881][ T1061] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.108882][ T1061] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.108886][ T1061] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 46.108889][ T1061] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.108892][ T1061] ? netlink_ack (./include/linux/skbuff.h:2718) [ 46.108898][ T1061] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 46.108900][ T1061] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 46.108904][ T1061] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 46.108908][ T1061] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 46.108911][ T1061] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.108915][ T1061] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 46.108919][ T1061] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 46.108923][ T1061] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.108924][ T1061] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 46.108930][ T1061] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 46.108932][ T1061] ____sys_sendmsg (net/socket.c:2713) [ 46.108935][ T1061] ? copy_msghdr_from_user (net/socket.c:2650) [ 46.108937][ T1061] ? sock_write_iter (net/socket.c:1269) [ 46.108938][ T1061] ? move_addr_to_kernel (net/socket.c:258) [ 46.108946][ T1061] ___sys_sendmsg (net/socket.c:2767) [ 46.108949][ T1061] ? copy_msghdr_from_user (net/socket.c:2619) [ 46.108965][ T1061] __sys_sendmsg (net/socket.c:2799) [ 46.108967][ T1061] ? __sys_sendmsg_sock (net/socket.c:2780) [ 46.108973][ T1061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.108976][ T1061] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 46.108979][ T1061] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 46.108982][ T1061] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 46.108984][ T1061] RIP: 0033:0x7fc5dee5854e [ 46.108988][ T1061] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 46.108990][ T1061] RSP: 002b:00007ffe25b43750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 46.108992][ T1061] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc5dee5854e [ 46.108994][ T1061] RDX: 0000000000000000 RSI: 00007ffe25b43800 RDI: 0000000000000005 [ 46.108994][ T1061] RBP: 00007ffe25b43760 R08: 0000000000000000 R09: 0000000000000000 [ 46.108995][ T1061] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911ab0 [ 46.108996][ T1061] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe25b43ed0 | [ 48.682422][ T1080] softirqs last disabled at (1347260): fpu__clear_user_states (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/core.c:835 (discriminator 2)) | [ 48.682425][ T1080] Preemption disabled at: | [ 48.682425][ T1080] 0x0 | [ 48.682436][ T1080] Tainted: [W]=WARN [ 48.682437][ T1080] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 48.682438][ T1080] Call Trace: [ 48.682440][ T1080] [ 48.682441][ T1080] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 48.682447][ T1080] __might_resched.cold (kernel/sched/core.c:9234) [ 48.682451][ T1080] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 48.682455][ T1080] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 48.682460][ T1080] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 48.682462][ T1080] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.682468][ T1080] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 48.682471][ T1080] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.682475][ T1080] put_chars (drivers/char/virtio_console.c:1176) [ 48.682481][ T1080] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 48.682483][ T1080] ? __send_to_port (drivers/char/virtio_console.c:654) [ 48.682486][ T1080] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 48.682489][ T1080] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 48.682491][ T1080] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 48.682495][ T1080] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 48.682500][ T1080] ? mark_usage (kernel/locking/lockdep.c:4690) [ 48.682501][ T1080] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.682503][ T1080] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.682507][ T1080] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 48.682509][ T1080] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 48.682513][ T1080] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.682515][ T1080] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.682518][ T1080] console_emit_next_record (kernel/printk/printk.c:3183) [ 48.682522][ T1080] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 48.682524][ T1080] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 48.682527][ T1080] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.682529][ T1080] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.682533][ T1080] console_flush_one_record (kernel/printk/printk.c:3268) [ 48.682537][ T1080] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 48.682539][ T1080] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.682544][ T1080] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 48.682547][ T1080] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 48.682548][ T1080] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.682550][ T1080] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 48.682554][ T1080] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 48.682555][ T1080] ? vprintk_emit (kernel/printk/printk.c:2478) [ 48.682558][ T1080] vprintk_emit (kernel/printk/printk.c:2479) [ 48.682561][ T1080] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 48.682562][ T1080] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 48.682566][ T1080] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.682569][ T1080] _printk (kernel/printk/printk.c:2504) [ 48.682573][ T1080] ? snapshot_read.cold (user.c:?) [ 48.682575][ T1080] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 48.682578][ T1080] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.682582][ T1080] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 48.682584][ T1080] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 48.682588][ T1080] ? exit_notify (kernel/exit.c:780) [ 48.682593][ T1080] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 48.682595][ T1080] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 48.682597][ T1080] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 48.682601][ T1080] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 48.682604][ T1080] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 48.682606][ T1080] RIP: 0033:0x7eff9fbd3c49 [ 48.682608][ T1080] Code: Unable to access opcode bytes at 0x7eff9fbd3c1f. Code starting with the faulting instruction =========================================== [ 48.682609][ T1080] RSP: 002b:00007eff9f392e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 48.682612][ T1080] RAX: ffffffffffffffda RBX: 00007eff9f3936c0 RCX: 00007eff9fbd3c49 [ 48.682613][ T1080] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 48.682614][ T1080] RBP: 00007eff9f392f70 R08: 0000000000000001 R09: 00007eff9f3936c0 [ 48.682615][ T1080] R10: 0000000000000008 R11: 0000000000000246 R12: 00007eff9eb93000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print fpu__clear_user_states:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars